diff --git a/.github/workflows/hdf5-develop.yml b/.github/workflows/hdf5-develop.yml
index dfa4cc5..e635415 100644
--- a/.github/workflows/hdf5-develop.yml
+++ b/.github/workflows/hdf5-develop.yml
@@ -38,7 +38,7 @@ jobs:
         cmake --version
         mkdir -p hdf5/build
         cd hdf5/build
-          cmake -DCMAKE_INSTALL_PREFIX=$HDF5_DIR -DHDF5_ENABLE_PARALLEL=ON -DHDF5_ENABLE_THREADSAFE=ON \
+          cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DHDF5_ENABLE_PARALLEL=ON -DHDF5_ENABLE_THREADSAFE=ON \
             -DHDF5_ALLOW_UNSUPPORTED=ON -DBUILD_TESTING=OFF -DHDF5_BUILD_HL_LIB=OFF \
             -DHDF5_BUILD_EXAMPLES=OFF -DHDF5_BUILD_TOOLS:BOOL=OFF \
             -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=mpicc ..
diff --git a/.github/workflows/hdf5-latest.yml b/.github/workflows/hdf5-latest.yml
index 4c68b3b..2136e08 100644
--- a/.github/workflows/hdf5-latest.yml
+++ b/.github/workflows/hdf5-latest.yml
@@ -38,7 +38,7 @@ jobs:
         cmake --version
         mkdir -p hdf5/build
         cd hdf5/build
-        cmake -DCMAKE_INSTALL_PREFIX=$HDF5_DIR -DHDF5_ENABLE_PARALLEL=ON -DHDF5_ENABLE_THREADSAFE=ON \
+        cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DHDF5_ENABLE_PARALLEL=ON -DHDF5_ENABLE_THREADSAFE=ON \
             -DHDF5_ALLOW_UNSUPPORTED=ON -DBUILD_TESTING=OFF -DHDF5_BUILD_HL_LIB=OFF \
             -DHDF5_BUILD_EXAMPLES=OFF -DHDF5_BUILD_TOOLS:BOOL=OFF \
             -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=mpicc ..